meso-Dithiole and tetrathiafulvalene dipyrromethanes a route to metal dithiole-dipyrrin complexes and to fluorescent tetrathiafulvalene-BODIPY |
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Authors: | Kai-Ling HuangNathalie Bellec Michel GuerroFranck Camerel Thierry RoisnelDominique Lorcy |
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Institution: | Sciences Chimiques de Rennes, UMR 6226 CNRS, Université de Rennes 1, Campus de Beaulieu, Bât 10A, 35042 Rennes Cedex, France |
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Abstract: | A series of meso-dithiole and tetrathiafulvalene (TTF) dipyrromethanes have been prepared via the reaction of the appropriate aldehyde with either pyrrole or 3-ethyl-2,4-dimethyl-pyrrole under acid catalysis. Oxidation to the corresponding meso-dithiole dipyrrins is reported together with the formation of the metal chelate complexes (M=Zn, Cu, Ni) as well as the meso-dithiole boron-dipyrromethene (BODIPY). The molecular structures of these metal (Cu, Ni) and boron complexes are presented and discussed. According to a similar strategy the meso-TTF BODIPY is prepared and its photophysical properties are presented and compared with those of the meso-dithiole BODIPY. |
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Keywords: | Tetrathiafulvalene Electroactive ligands Dipyrromethanes Dipyrrins BODIPY |
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